project-base/server-skynet-source-3rd-jemalloc
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Use rtree rather than [sz]ad trees for chunk split/coalesce operations.

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This commit is contained in:
Jason Evans
2016-05-16 13:25:18 -07:00
parent 25845db7c9
commit ffa45a5331
6 changed files with 234 additions and 198 deletions
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9
include/jemalloc/internal/arena.h
View File

@@ -418,16 +418,11 @@ struct arena_s {
malloc_mutex_t huge_mtx;
/*
* Trees of chunks that were previously allocated (trees differ only in
* extent ordering). These are used when allocating chunks, in an
* attempt to re-use address space. Depending on function, different
* tree orderings are needed, which is why there are two trees with the
* same contents.
* Trees of chunks that were previously allocated. These are used when
* allocating chunks, in an attempt to re-use address space.
*/
extent_tree_t chunks_szad_cached;
extent_tree_t chunks_ad_cached;
extent_tree_t chunks_szad_retained;
extent_tree_t chunks_ad_retained;
malloc_mutex_t chunks_mtx;
/* Cache of extent structures that were allocated via base_alloc(). */

14
include/jemalloc/internal/extent.h
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@@ -55,9 +55,6 @@ struct extent_s {
/* Linkage for arena's achunks, huge, and node_cache lists. */
ql_elm(extent_t) ql_link;
};
/* Linkage for the address-ordered tree. */
rb_node(extent_t) ad_link;
};
typedef rb_tree(extent_t) extent_tree_t;
@@ -67,8 +64,6 @@ typedef rb_tree(extent_t) extent_tree_t;
rb_proto(, extent_tree_szad_, extent_tree_t, extent_t)
rb_proto(, extent_tree_ad_, extent_tree_t, extent_t)
#endif /* JEMALLOC_H_EXTERNS */
/******************************************************************************/
#ifdef JEMALLOC_H_INLINES
@@ -79,6 +74,7 @@ void *extent_addr_get(const extent_t *extent);
size_t extent_size_get(const extent_t *extent);
void *extent_past_get(const extent_t *extent);
bool extent_active_get(const extent_t *extent);
bool extent_retained_get(const extent_t *extent);
bool extent_zeroed_get(const extent_t *extent);
bool extent_committed_get(const extent_t *extent);
bool extent_slab_get(const extent_t *extent);
@@ -134,6 +130,14 @@ extent_active_get(const extent_t *extent)
return (extent->e_active);
}
JEMALLOC_INLINE bool
extent_retained_get(const extent_t *extent)
{
assert(!extent->e_slab);
return (qr_next(&extent->rd, rd_link) == &extent->rd);
}
JEMALLOC_INLINE bool
extent_zeroed_get(const extent_t *extent)
{

20
include/jemalloc/internal/private_symbols.txt
View File

@@ -219,29 +219,11 @@ extent_init
extent_past_get
extent_prof_tctx_get
extent_prof_tctx_set
extent_retained_get
extent_size_get
extent_size_set
extent_slab_get
extent_slab_set
extent_tree_ad_destroy
extent_tree_ad_destroy_recurse
extent_tree_ad_empty
extent_tree_ad_first
extent_tree_ad_insert
extent_tree_ad_iter
extent_tree_ad_iter_recurse
extent_tree_ad_iter_start
extent_tree_ad_last
extent_tree_ad_new
extent_tree_ad_next
extent_tree_ad_nsearch
extent_tree_ad_prev
extent_tree_ad_psearch
extent_tree_ad_remove
extent_tree_ad_reverse_iter
extent_tree_ad_reverse_iter_recurse
extent_tree_ad_reverse_iter_start
extent_tree_ad_search
extent_tree_szad_destroy
extent_tree_szad_destroy_recurse
extent_tree_szad_empty